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Working at Gigi
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About
Gigi sits on top of Amazon DSP and Amazon Marketing Cloud and does the work an agency media team would otherwise do by hand: building full-funnel campaigns, optimising them, and writing the custom AMC queries that turn Amazon's measurement environment into audiences and insights. The company describes the product as a media manager that thinks like a strategist and scales like software, and in 2025 added an agentic AI layer for running Amazon DSP campaigns conversationally, plus an ad policy checker. Adam Epstein co-founded it in 2023 with Shilei Long; Golden Ventures backed it in 2024. Epstein's previous company, the Toronto restaurant payments app Tab, was acquired by Velocity Mobile in 2015.
Backers
Golden Ventures lists Gigi in its portfolio with a 2024 investment. No round size is published and no other investor is named here.
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Quick answers
What does Gigi do?
It is a buying and measurement layer for streaming TV advertising on Amazon — brands and agencies plan, run and measure Amazon DSP campaigns through Gigi rather than working directly in Amazon's tools.
Who founded Gigi?
Adam Epstein and Shilei Long, in 2023. Epstein is chief executive; he earlier co-founded Tab, the Toronto restaurant mobile-payments app acquired by Velocity Mobile in 2015.
Who backs it?
Golden Ventures, which lists Gigi in its portfolio with a 2024 investment. No round size has been published.
Who from Gigi is in this directory?
Adam Epstein, its co-founder and CEO, who spoke at TechTO in March 2015 — eight years before starting Gigi — on early-stage product strategy.